Magnetism is a force we can’t see. Something is magnetic if it can pull another magnetic object towards it. Just like these fridge magnets. A magnet attracts or repels things made from certain ...

revealing how the direction of the magnetic force varies from place to place. Related: Why do magnets have north and south poles? The bar magnet is a simple model illustrating what happens for the ...

What is Magnetic Force Microscopy (MFM)? Magnetic Force Microscopy (MFM) is a scanning probe microscopy technique that allows the imaging and characterization of magnetic properties of materials at ...

Metals are the only substances that are magnetic. But some metals are magnetic and some are not. The most common magnetic metal is iron. You don't see too many objects made of pure iron but you do see ...